{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Q3FWEY7UK7VLO4X67TFU55EPLQ","short_pith_number":"pith:Q3FWEY7U","canonical_record":{"source":{"id":"1104.0284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-02T03:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"1ad8b183972713a3335c035a7627d2d9e7703e6fc8e1e5fc453d5d2096f4657a","abstract_canon_sha256":"b90288af130d83c65bc591aa94369da6ed0efb6b44d4514efc9bd3bb35832018"},"schema_version":"1.0"},"canonical_sha256":"86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9","source":{"kind":"arxiv","id":"1104.0284","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.0284","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"arxiv_version","alias_value":"1104.0284v1","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.0284","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"pith_short_12","alias_value":"Q3FWEY7UK7VL","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q3FWEY7UK7VLO4X6","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q3FWEY7U","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Q3FWEY7UK7VLO4X67TFU55EPLQ","target":"record","payload":{"canonical_record":{"source":{"id":"1104.0284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-02T03:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"1ad8b183972713a3335c035a7627d2d9e7703e6fc8e1e5fc453d5d2096f4657a","abstract_canon_sha256":"b90288af130d83c65bc591aa94369da6ed0efb6b44d4514efc9bd3bb35832018"},"schema_version":"1.0"},"canonical_sha256":"86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:41.219476Z","signature_b64":"GFedcnxd+3j3onjYzsCh7nRzoMEpdcipY1A344yW1TPoJW7VXht1W36HruGCd6rW8YMOsoVMJErGfP+puPpyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9","last_reissued_at":"2026-05-18T02:02:41.218779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:41.218779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.0284","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:02:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YbebqCb4sV8BMNheauCnHaIoVK35dLcqwPgcbjWzTZF2IScGvkazbCvwgFAhXGCTOae4aQ6Tz81wooCZAm87Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:23:48.761474Z"},"content_sha256":"5cdcdb74ec1479c352ed8d8413670864e35b591a2905741729f38656c97cdb46","schema_version":"1.0","event_id":"sha256:5cdcdb74ec1479c352ed8d8413670864e35b591a2905741729f38656c97cdb46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Q3FWEY7UK7VLO4X67TFU55EPLQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Tucana/Horologium, Columba, AB Doradus, and Argus Associations: New Members and Dusty Debris Disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. Zuckerman, Inseok Song, Joseph H. Rhee, M.S. Bessell","submitted_at":"2011-04-02T03:53:34Z","abstract_excerpt":"We propose 35 star systems within ~70 pc of Earth as newly identified members of nearby young stellar kinematic groups; these identifications include the first A- and late-B type members of the AB Doradus moving group and field Argus Association. All but one of the 35 systems contain a bright solar- or earlier-type star that should make an excellent target for the next generation of adaptive optics (AO) imaging systems on large telescopes. AO imaging has revealed four massive planets in orbit around the {\\lambda} Boo star HR 8799. Initially the planets were of uncertain mass due in large part "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.0284","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:02:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yCWOcCOEfFGu/hm9WVpCoq5pZc/NaaHtyqJab548oQbUNyMz75D3XUoh9BnWaXiClKo6wx9sIHG+UeIt35/ZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:23:48.762142Z"},"content_sha256":"111ebede7d2590c021efd55ce241bb313f98896e7d25618675f788b3e03caa22","schema_version":"1.0","event_id":"sha256:111ebede7d2590c021efd55ce241bb313f98896e7d25618675f788b3e03caa22"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ/bundle.json","state_url":"https://pith.science/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-07T00:23:48Z","links":{"resolver":"https://pith.science/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ","bundle":"https://pith.science/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ/bundle.json","state":"https://pith.science/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q3FWEY7UK7VLO4X67TFU55EPLQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Q3FWEY7UK7VLO4X67TFU55EPLQ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b90288af130d83c65bc591aa94369da6ed0efb6b44d4514efc9bd3bb35832018","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-02T03:53:34Z","title_canon_sha256":"1ad8b183972713a3335c035a7627d2d9e7703e6fc8e1e5fc453d5d2096f4657a"},"schema_version":"1.0","source":{"id":"1104.0284","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.0284","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"arxiv_version","alias_value":"1104.0284v1","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.0284","created_at":"2026-05-18T02:02:41Z"},{"alias_kind":"pith_short_12","alias_value":"Q3FWEY7UK7VL","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q3FWEY7UK7VLO4X6","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q3FWEY7U","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:111ebede7d2590c021efd55ce241bb313f98896e7d25618675f788b3e03caa22","target":"graph","created_at":"2026-05-18T02:02:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We propose 35 star systems within ~70 pc of Earth as newly identified members of nearby young stellar kinematic groups; these identifications include the first A- and late-B type members of the AB Doradus moving group and field Argus Association. All but one of the 35 systems contain a bright solar- or earlier-type star that should make an excellent target for the next generation of adaptive optics (AO) imaging systems on large telescopes. AO imaging has revealed four massive planets in orbit around the {\\lambda} Boo star HR 8799. Initially the planets were of uncertain mass due in large part ","authors_text":"B. Zuckerman, Inseok Song, Joseph H. Rhee, M.S. Bessell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-02T03:53:34Z","title":"The Tucana/Horologium, Columba, AB Doradus, and Argus Associations: New Members and Dusty Debris Disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.0284","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5cdcdb74ec1479c352ed8d8413670864e35b591a2905741729f38656c97cdb46","target":"record","created_at":"2026-05-18T02:02:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b90288af130d83c65bc591aa94369da6ed0efb6b44d4514efc9bd3bb35832018","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-04-02T03:53:34Z","title_canon_sha256":"1ad8b183972713a3335c035a7627d2d9e7703e6fc8e1e5fc453d5d2096f4657a"},"schema_version":"1.0","source":{"id":"1104.0284","kind":"arxiv","version":1}},"canonical_sha256":"86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86cb6263f457eab772fefccb4ef48f5c3956d62f00fd33d302b5aa652dcb48c9","first_computed_at":"2026-05-18T02:02:41.218779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:41.218779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GFedcnxd+3j3onjYzsCh7nRzoMEpdcipY1A344yW1TPoJW7VXht1W36HruGCd6rW8YMOsoVMJErGfP+puPpyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:41.219476Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.0284","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cdcdb74ec1479c352ed8d8413670864e35b591a2905741729f38656c97cdb46","sha256:111ebede7d2590c021efd55ce241bb313f98896e7d25618675f788b3e03caa22"],"state_sha256":"4fc04d95884a3f8c5051e6ede3f0dc9dbd9abbdba9d30437043c887ec2cc05a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vugf5iCjU740oiNGetpRf81a8iPZEm1lFN1YE43LpnSTqHqACHTghqnf1DeVn6aCUtP4UVlDOCThvLyp6LfKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T00:23:48.766058Z","bundle_sha256":"1906e2486f8f046cc6cc49e58fba0bcbcb20bbc43c22a7ff4c8c13ce77c2eb6e"}}